{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["DNA", "cell line", "RNA", "cell type", "protein"], "input": "Activation of T cells is initiated by the recognition of antigen on antigen presenting cells to exert the effector functions in immune and inflammatory responses ."}
{"DNA": [], "cell line": [], "RNA": [], "cell type": ["T cells", "antigen presenting cells"], "protein": ["antigen"]}